help backfires and flame - Club700XX - Honda TRX700XX Forum
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post #1 of 13 Old 01-31-2012, 06:03 PM Thread Starter
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help backfires and flame

Headed out for a ride today. When I tried to start the 700xx it turn over then backfired. And a three foot flame shot out. Any ideas?
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post #2 of 13 Old 01-31-2012, 06:23 PM
 
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Lean maybe, or bad gas. You running premium in the tank?

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post #3 of 13 Old 01-31-2012, 06:28 PM Thread Starter
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Yep allways run premium. Had it out three weeks ago. Ran like a raped ape. I even unplugged the ehs programer and hooked it up stock still a big bang.
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post #4 of 13 Old 01-31-2012, 06:33 PM
 
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Has the gas been in there along time, and have you done a plug check?

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post #5 of 13 Old 01-31-2012, 06:46 PM Thread Starter
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Probably early November filled it up and have not rode much but play in the snow a bit. And put a new plug in last April and road hard all summer.
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post #6 of 13 Old 01-31-2012, 06:50 PM
 
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Check your airbox? Make sure nothing got in there like mice. Progammer maybe get damaged (wet)? If you have a pipe and stuff, you still may get back fire and stuff when you go back to stock programming.

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post #7 of 13 Old 01-31-2012, 07:01 PM Thread Starter
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I have a Ehs big three, no mice it turns over OK just won't start and about the second try it backfires big time should I keep trying to start it or could that do some damage.
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post #8 of 13 Old 01-31-2012, 07:17 PM
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Not sure if it is the same but mine did that when I forgot to turn the fuel back on from reserve. It back fired real loud and shot a flame out when it ran out of fuel.


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post #9 of 13 Old 01-31-2012, 08:17 PM Thread Starter
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Fixed it thanks for the tips new plug and new gas good to go. A late night pass up and down the block with the headlight pointed at the stars ... priceless!
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post #10 of 13 Old 01-31-2012, 08:32 PM
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Bxxreal,
Remember not to work the throttle when stating the machine (hot or cold) let the EFI do all the work for you. When cold allow the machine to warm up for a few minutes.
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